Home / 14,289.42-21,434.70-3,901.14

Finding the Fourth Proportional to 14,289.42, 21,434.70 and 3,901.14

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Solution

The fourth proportional to 14,289.42, 21,434.70 and 3,901.14 is: 5,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.42 : 21,434.70 = 3,901.14 : x
  2. Step 2: Convert to fraction form
    14,289.42/21,434.70 = 3,901.14/x
  3. Step 3: Cross multiply
    14,289.42x = 21,434.70 × 3,901.14
  4. Step 4: Simplify right side
    14,289.42x = 83,619,765.56
  5. Step 5: Solve for x
    x = 83,619,765.56/14,289.42
  6. Step 6: Final answer
    x = 5,851.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.